CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20013041347
Observation time: 10/31/2001 304.57443 1347 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
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Wave speed and Mach numbers
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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2001
Fractional day of year 304.574427
Arrival time of shock [seconds of day] 49630.5 ± 18.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 25.779
Y GSE location of spacecraft [Re] -83.830
Z GSE location of spacecraft [Re] 6.990
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0270
Downstream plasma points selected for analysis 0011
Downstream field points selected for analysis 0336
Minimum chisq/dof for RH8,RH9,RH10 12.89, 16.18, 16.48
Event added to database
Mon Feb 14 11:16:13 2005
Event last processed
Mon Mar 30 21:59:58 2009
Method selected
RH08
Propagation delay to Earth [minutes]
2.208 ± 0.347

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -325.1 ± 1.0 -389.3 ± 6.6
Vy GSE [km/s] 9.5 ± 1.9 -24.3 ± 4.0
Vz GSE [km/s] 0.0 ± 2.2 -38.1 ± 3.0
Wi [km/s] 10.5 ± 1.9 50.0 ± 4.1
We [km/s] 332.4 ± 60.1 1582.3 ± 130.3
Ni [n/cc] 2.8 ± 0.1 8.5 ± 0.6
Bx GSE [nT] -3.5 ± 0.0 -5.3 ± 0.6
By GSE [nT] -0.0 ± 0.1 3.2 ± 0.5
Bz GSE [nT] -1.1 ± 0.1 0.1 ± 0.2
Plasma Beta
0.049 ± 0.047
1.216 ± 1.065
Sound Speed [km/s]
13.57 ± 2.46
64.60 ± 5.32
Alfven Speed [km/s]
48.61 ± 1.09
46.48 ± 4.55

Best values of shock front normal for each method (About, Top)

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.848 ± 0.063 -0.307 ± 0.139 -0.432 ± 0.403 -25.57 ± 5.45 199.87 ± 9.35
VC -0.783 ± 0.029 -0.413 ± 0.046 -0.465 ± 0.428 -27.73 ± 2.23 207.84 ± 3.34
MX1 -0.850 ± 0.061 -0.312 ± 0.147 -0.424 ± 0.397 -25.10 ± 4.09 200.18 ± 9.85
MX2 -0.847 ± 0.060 -0.308 ± 0.149 -0.434 ± 0.405 -25.73 ± 3.58 199.98 ± 10.05
MX3 -0.845 ± 0.060 -0.306 ± 0.150 -0.439 ± 0.408 -26.01 ± 3.48 199.89 ± 10.15
RH08 -0.929 ± 0.004 -0.207 ± 0.001 -0.307 ± 0.297 -17.89 ± 0.67 192.53 ± 0.00
RH09 -0.952 ± 0.020 -0.177 ± 0.064 -0.251 ± 0.246 -14.56 ± 3.80 190.53 ± 3.87
RH10 -0.952 ± 0.021 -0.177 ± 0.067 -0.251 ± 0.246 -14.56 ± 3.89 190.53 ± 4.02
Average -0.876 -0.276 -0.375 -22.145 197.669
Median -0.848 -0.306 -0.424 -25.104 199.890
Deviation 0.061 0.082 0.090 5.511 6.015

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 20.5 ± 1.3 394.4 ± 8.9 3.10 ± 0.22
VC 27.9 ± 1.3 372.2 ± 9.1 3.10 ± 0.22
MX1 20.6 ± 1.3 394.9 ± 8.9 3.10 ± 0.22
MX2 20.6 ± 1.3 393.9 ± 8.9 3.10 ± 0.22
MX3 20.6 ± 1.3 393.4 ± 8.9 3.10 ± 0.22
RH08 12.0 ± 1.7 417.3 ± 8.6 3.10 ± 0.22
RH09 10.3 ± 1.9 421.8 ± 8.5 3.10 ± 0.22
RH10 10.3 ± 1.9 421.8 ± 8.5 3.10 ± 0.22
Average 17.8 401.2 3.10
Median 20.6 394.9 3.10
Deviation 6.3 17.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 121.5 ± 1.5 12.6 ± 2.3 45.5 ± 1.0 48.9 ± 1.0 9.94 ± 2.09 2.49 ± 0.04
VC 121.7 ± 1.7 11.9 ± 2.1 43.0 ± 1.0 49.1 ± 1.0 10.59 ± 2.21 2.48 ± 0.04
MX1 121.5 ± 1.5 12.6 ± 2.3 45.5 ± 1.0 48.9 ± 1.0 9.94 ± 2.09 2.49 ± 0.04
MX2 121.5 ± 1.5 12.6 ± 2.3 45.5 ± 1.0 48.9 ± 1.0 9.95 ± 2.09 2.49 ± 0.04
MX3 121.5 ± 1.5 12.6 ± 2.3 45.5 ± 1.0 48.9 ± 1.0 9.95 ± 2.09 2.49 ± 0.04
RH8 117.2 ± 1.3 13.2 ± 2.4 47.6 ± 1.1 48.7 ± 1.1 9.15 ± 1.93 2.41 ± 0.05
RH9 114.1 ± 1.2 13.3 ± 2.4 47.8 ± 1.1 48.7 ± 1.1 8.85 ± 1.86 2.34 ± 0.04
RH10 114.1 ± 1.2 13.3 ± 2.4 47.8 ± 1.1 48.7 ± 1.1 8.85 ± 1.86 2.34 ± 0.04
Average 119.2 12.8 46.0 48.8 9.7 2.4
Median 121.5 12.6 45.5 48.9 9.9 2.5
Deviation 3.4 0.5 1.7 0.1 0.6 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 40.3 ± 6.8 41.1 ± 3.0 43.5 ± 4.3 68.3 ± 4.4 0.98 ± 0.14 0.60 ± 0.13
VC 39.7 ± 6.7 37.6 ± 2.5 41.1 ± 4.0 70.3 ± 4.2 1.05 ± 0.15 0.57 ± 0.12
MX1 40.2 ± 6.8 41.0 ± 3.0 43.5 ± 4.3 68.3 ± 4.4 0.98 ± 0.14 0.60 ± 0.13
MX2 40.3 ± 6.8 41.0 ± 3.0 43.5 ± 4.3 68.3 ± 4.4 0.98 ± 0.14 0.60 ± 0.13
MX3 40.3 ± 6.8 41.0 ± 3.0 43.5 ± 4.3 68.4 ± 4.4 0.98 ± 0.14 0.60 ± 0.13
RH8 38.9 ± 6.9 44.3 ± 3.7 45.5 ± 4.5 66.2 ± 4.8 0.88 ± 0.12 0.60 ± 0.14
RH9 37.5 ± 6.9 44.8 ± 3.8 45.7 ± 4.5 65.8 ± 4.9 0.83 ± 0.12 0.58 ± 0.14
RH10 37.5 ± 6.9 44.8 ± 3.8 45.7 ± 4.5 65.8 ± 4.9 0.83 ± 0.12 0.58 ± 0.14
Average 39.3 41.9 44.0 67.7 0.9 0.6
Median 40.2 41.1 43.5 68.3 1.0 0.6
Deviation 1.2 2.5 1.6 1.6 0.1 0.0

Survey interval (About, Top)
Survey of solar wind interval
Selected data (About, Top)
Key plasma parameters
Survey
Velocity
V

Magnetic Field
B


Simple Methods (About, Top)
Simple methods
Rankine Chi^2 Contour (About, Top)

Chisq


Shock Speed (About, Top)
Shock Speed

Theta Bn (About, Top)
Theta Bn

Mach Numbers (About, Top)

Upstream wave speeds
Upstream Mach numbers
Downsteam wave speeds
Downstream mach numbers
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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